From: Anton Blanchard <anton@samba.org>
To: benh@kernel.crashing.org
Cc: linuxppc-dev@ozlabs.org
Subject: [PATCH 2/4] powerpc: Disable IRQs off tracer in ppc64 defconfig
Date: Thu, 07 Jul 2011 09:13:15 +1000 [thread overview]
Message-ID: <20110706231337.169551286@samba.org> (raw)
In-Reply-To: 20110706231313.260037641@samba.org
The IRQs off tracer enables mcount which has a big impact on
performance. Disable it.
Signed-off-by: Anton Blanchard <anton@samba.org>
---
Index: linux-powerpc/arch/powerpc/configs/ppc64_defconfig
===================================================================
--- linux-powerpc.orig/arch/powerpc/configs/ppc64_defconfig 2011-07-07 09:07:26.482898262 +1000
+++ linux-powerpc/arch/powerpc/configs/ppc64_defconfig 2011-07-07 09:07:29.932959288 +1000
@@ -446,7 +446,6 @@ CONFIG_DEBUG_MUTEXES=y
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
CONFIG_LATENCYTOP=y
CONFIG_SYSCTL_SYSCALL_CHECK=y
-CONFIG_IRQSOFF_TRACER=y
CONFIG_SCHED_TRACER=y
CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_DEBUG_STACKOVERFLOW=y
next prev parent reply other threads:[~2011-07-06 23:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-06 23:13 [PATCH 0/4] Some defconfig updates Anton Blanchard
2011-07-06 23:13 ` [PATCH 1/4] powerpc: Sync pseries and ppc64 defconfigs Anton Blanchard
2011-07-06 23:13 ` Anton Blanchard [this message]
2011-07-06 23:13 ` [PATCH 3/4] powerpc: Add mpt2sas driver to pseries and ppc64 defconfig Anton Blanchard
2011-07-06 23:13 ` [PATCH 4/4] powerpc: Enable lockup and hung task detectors in pseries and ppc64 defeconfigs Anton Blanchard
2011-07-07 7:46 ` [PATCH 4/4] powerpc: Enable lockup and hung task detectors in pseriesand " David Laight
2011-07-19 23:46 ` Anton Blanchard
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